带凸缘圆筒形拉深件的修边余量δ[2]的翻译：Cylindrical drawing parts with flange edge cushion δ [2] 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Flanged cylindrical deep drawing trimming margin δ [2]

Cylindrical drawing parts with flange edge cushion δ [2]

Belt flange circle tubular drawing trimming remainder delta (2)

Flanged cylinder-shaped drop-down deep in the Delta level [ 2]

Cylindrical drawing parts with flange edge cushion δ [2]